Antibody:

anti-cleaved caspase3

Structure	Level	Pattern	Image	Note
TS21: palatal shelf	Weak	Regionally restricted	3A	Few immunoreactive cells were found in anterior palatal shelves.

Structure	Level	Pattern	Image	Note
TS21: palatal shelf	Weak	Regionally restricted	3B	Few immunoreactive cells were found in posterior palatal shelves.

Structure	Level	Pattern	Image	Note
TS21: palatal shelf	Present	Regionally restricted	3C	Cell death was increased in the anterior palatal shelf.

Structure	Level	Pattern	Image	Note
TS21: palatal shelf	Present	Regionally restricted	3D	Cell death was increased in the posterior palatal shelf.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf	Present	Regionally restricted	3E	Immunoreactive cells were found in anterior palatal shelves.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf	Weak	Regionally restricted	3F	Few immunoreactive cells were found in posterior palatal shelves.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf	Present	Regionally restricted	3G	Cell death was not significantly different in the anterior palatal shelf.

Structure	Level	Pattern	Image	Note
TS22: palatal shelf	Present	Regionally restricted	3H	Cell death was not significantly different in the posterior palatal shelf.